Cell structures and functions Flashcards
what are the 3 things all cells have?
cell membrane, cytoplasm and genetic material
what does unicellular mean?
consisting of a singular cell
what does multicellular mean?
consisting of many different specialised cells
what is a cell membrane?
a structure that keeps the cells contents separate from its external enviroment
what is cytoplasm?
a watery, jelly-like substance inside the cell membrane that can include other cell structures
what is genetic material?
coded instructions for carrying the cells activities
what is prokaryotes?
also known as bacteria
what is a nucleus?
contains genetic material that directs the activities of a cell
what is eukaryotic cells?
any cell or organism that possesses a clearly defined nucleus